GlobalEdge Placement Paper - C++ Questions

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1. Which is not object oriented concept?
   

   A) Inheritance

   B) Polymorphism

   C) Class

   D) Variable

   Ans: D) Variable
2. The operator that releases previously allocated memory is ___
   

   A) release

   B) return

   C) new

   D) delete

   Ans: D) delete
3. Inheritance occurs when a class adopts all the traits of ________
   

   A) an object

   B) a parent class

   C) a variable

   D) a function

   Ans: B) a parent class
4. Encapsulation means____________
   

   A) Binding of data and code together

   B) To inherit properties of base class

   C) To reduce code length

   D) To define global variable

   Ans: A) Binding of data and code together
5. To derive new class from existing class is known as ________
   

   A) Inheritance

   B) Polymorphism

   C) Object

   D) None of these

   Ans: A) Inheritance
6. Which of the following statement is correct?
   

   A) Class is an instance of object.

   B) Object is an instance of a class.

   C) Class is an instance of data type.

   D) Object is an instance of data type

   Ans: B) Object is an instance of a class.
7. An object consists of -----
   

   A) State

   B) Behavior

   C) Both A and B

   D) None of these

   Ans: C) Both A and B
8. Which of the following provides a reuse mechanism?
   

   A) Inheritance

   B) Polymorphism

   C) Abstraction

   D) Encapsulation

   Ans: A) Inheritance
9. Which of the following is correct about class and structure?
   

   A) Class can have member functions while structure cannot

   B) Class data members are public by default while that of structure are private

   C) Pointer to structure or classes cannot be declared.

   D) Class data members are private by default while that of structure are public by default.

   Ans: D) Class data members are private by default while that of structure are public by default.
10. The major goal of inheritance in c++ is:
    

    A) To facilitate the conversion of data types.

    B) To help modular programming.

    C) To extend the capabilities of a class.

    D) To hide the details of base class.

    Ans: C) To extend the capabilities of a class.
11. Class is __________
    

    A) Built in data type

    B) User defined data type

    C) Both a& b

    D) None of these

    Ans: B) User defined data type